E 21 Street, Brooklyn: Grade C+ · 311, HPD & Crash Data
Grade C+, 56 out of 100. How does E 21 Street in Brooklyn rank for traffic safety, noise, and cleanliness?
Livability score
Grade C+, livability 56 out of 100.
Calm 45, ranked against numbered streets. Access 76, ranked against every street in the city. More complaints per home than most numbered streets, but a lot within a walk.
That puts E 21 Street in the top 33% of scored streets citywide.
Strongest on traffic safety (86) and tree cover (98). Housing (5) is the weak spot.
On the record
Street/sidewalk noise is the most-filed complaint on East 21 Street, with 642 reports. Across every category, 6,525 reports sit on this street's 311 file, and 10% of them name street/sidewalk noise. Heat and hot water is the next most-filed at 588 reports, then illegal parking at 457. Reports on East 21 Street span 87 distinct 311 categories. Set against the 4,122 homes on file, that is about 158 reports per 100 homes.
HPD has cited 1,187 Class C violations here, the tier the city treats as an immediate health or safety risk, about 29 per 100 homes on file. HPD's most-cited category on East 21 Street is pests, at 601 violations. Paint and lead accounts for 589 more, and doors for 376. 884 residential buildings on East 21 Street hold the 4,122 homes on file, 102 of them walk-up apartment buildings and 40 of them buildings with an elevator. Across those buildings the average is about 4.7 homes each.
Reported crashes on East 21 Street have injured 47 people since 2021.
Against numbered streets, infrastructure comes in at 83, with quietness at 8. That 8 on quietness puts East 21 Street in the weakest quarter of numbered streets. The card also puts parking at 50 and cleanliness at 17 among numbered streets. Against every street in the city, East 21 Street ranks 72 on food nearby and 69 on transit. Of the three measures ranked citywide, tree cover is the strongest on East 21 Street, at 98. The band those ranks are drawn from holds about 990 numbered streets.
The strongest band-ranked measure on East 21 Street is traffic safety, at 86.
The housing file puts 55% of the 4,122 homes on East 21 Street in rent stabilization, 2,260 homes in all.
Scores are built from 311 complaints, HPD violations, NYPD crash records, NYPD felony complaint records, MTA stop locations, DOHMH food permits, and the street tree census, divided by the homes and businesses on the street, updated weekly. Read the scoring method or the data sources.
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Every scored street in Brooklyn, the citywide rankings of all 5,700+ graded streets, or Queens vs Brooklyn: How the Two Boroughs Score (2026 Data).